10b+1=8b+9

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Solution for 10b+1=8b+9 equation:


Simplifying
10b + 1 = 8b + 9

Reorder the terms:
1 + 10b = 8b + 9

Reorder the terms:
1 + 10b = 9 + 8b

Solving
1 + 10b = 9 + 8b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-8b' to each side of the equation.
1 + 10b + -8b = 9 + 8b + -8b

Combine like terms: 10b + -8b = 2b
1 + 2b = 9 + 8b + -8b

Combine like terms: 8b + -8b = 0
1 + 2b = 9 + 0
1 + 2b = 9

Add '-1' to each side of the equation.
1 + -1 + 2b = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 2b = 9 + -1
2b = 9 + -1

Combine like terms: 9 + -1 = 8
2b = 8

Divide each side by '2'.
b = 4

Simplifying
b = 4

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